Rev Date 9/16/2010
26
OS Recovery
When the WebDT 435 OS is damaged (For example, the device might stop at the splash screen when
turned on) but eBoot is still alive, there is still a chance to recover the OS. To ensure the device eBoot
still works, pressing the fourth button and then third button immediately right after the device is
powered on. If the device can enter OS Recovery screen successfully, the eBoot is still alive. Then follow
below guidelines to do OS Recovery for your device. This OS Recovery process is suggested to be
executed by an IT Manager.
The required tools for OS Recovery are as following:
1. Your WebDT 435 and WebDT 435 desktop charging cradle.
2. One Windows System (XP or above) desktop computer or Notebook.
3. USB cable (for connecting between the desktop computer/ Notebook and the charging cradle).
4. USB driver, secusb2.sys. (Download from http://www.dtresearch.com/product/DT435/download.htm).
5. The WebDT 435 OS Recovery program
(Please download from
http://www.dtresearch.com/product/DT435/download.htm)
6. WebDT 435 OS Image
(Please contact DT Research sales representative to get an OS image for recovery purpose)
Once above tools are ready, follow the steps as
outlined below to execute the OS recovery:
1. Put the WebDT 435 onto the charging cradle.
2. Connect the charging cradle to a PC or Notebook by a
USB cable. A dialog window asking for driver installation
will display, select a target folder that contains OS
Recovery drivers and then complete the driver
installation.
